#pragma once

#include <stdint.h>

#include "Instrument.hpp"

// a voice is a tone generator that the synth uses for polyphony
// the synth mixes multiple voices together into a polyphonic audio. calculations for samples are handled in the instrument
class Voice {

public:

    Voice() = default;
    Voice(ConfigService* config, LoggerService* logger);
    ~Voice() = default;

    void noteOn(uint8_t midiNote, float velocity);
    void noteOff();
    bool isActive();

    float process(bool& scopeTrigger);
    uint8_t note() { return note_; }

private:

    float sampleRate_ = 44100.0f;

    inline float noteToFrequency(uint8_t note) {
        return 440.0f * pow(2.0f, static_cast<float>(note - 69) / static_cast<float>(12)); 
    }
    
    uint8_t note_ = 0;
    float velocity_ = 1.0f;
    bool active_ = false;

    ConfigService* config_;
    LoggerService* logger_;
    Instrument instrument_;

};